Love According to 'Grey's Anatomy' Anatomy

You know what love is? It's chaotic. It's severed arms and skull fractures and hemorrhages that are asymptomatic until it's too late. It's the roof of a restaurant collapsing on Valentine's Day. Of course, Grey's Anatomy portrays love as a tragedy, but we already know that.

In addition, however, the Valentine's Day episode of Grey's proved that the its trademark trait - waxing philosophical about love and relationships - works best on episodes like "Valentine's Day Massacre." And so here are additional love lessons courtesy of the episode: